<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>1_hello</title>
</head>

<body>

    <div id="main"></div>

    <!-- 引入react核心库 -->
    <script src="./js/react.development.js"></script>
    <!-- 引入react-dom，用于支持react操作DOM -->
    <script src="./js/react-dom.development.js"></script>
    <!-- 引入babel，用于将jsx转为js -->
    <script src="./js/babel.min.js"></script>

    <script type="text/babel">
        // 创建虚拟DOM
        const VDOM = <h1>Hello, React</h1> /* 不要加引号 */
        // 渲染虚拟DOM
        ReactDOM.render(VDOM, document.getElementById('main'))
    </script>
</body>

</html>